<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>every</title>
</head>
<body>
    
    
</body>
</html>
<script>
    let arr=[{cur:1},{cur:2},{cur:3}]
    // 判断数组里的元素的cur是否都为1，如果为1返回true
    let result = arr.every(item=>item.cur==1)
    console.log(result);//false
</script>